Pledged assets (Tables)

3 Months Ended

Mar. 31, 2015

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

	March 31,		December 31,
(In thousands)	2015		2014
Investment securities available-for-sale, at fair value	$	1,835,849	$	1,700,820
Investment securities held-to-maturity, at amortized cost		58,660		60,515
Loans held-in-portfolio covered under loss sharing agreements with the FDIC		459,577		480,441
Loans held-in-portfolio not covered under loss sharing agreements with the FDIC		8,908,657		8,820,204
Total pledged assets	$	11,262,743	$	11,061,980